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DEBT (Tables)
 6 Months Ended
Jun. 30, 2025
Debt Disclosure [Abstract]  
Schedule of Convertible Notes and Components of Interest Expense The following table sets forth a summary of the 2026 Notes and the 2030 Notes as of June 30, 2025 and December 31, 2024 (in millions):
June 30, 2025
Principal Amount
Unamortized Debt Discounts and Issuance Costs
Net Carrying Amount
Fair Value
2026 Notes
$960.0 $(3.7)$956.3 $838.8 
2030 Notes
1,100.0 (17.4)1,082.61,000.4 
Total long-term debt
$2,060.0 $(21.1)$2,038.9 $1,839.2 
December 31, 2024
Principal Amount
Unamortized Debt Discounts and Issuance Costs
Net Carrying Amount
Fair Value
2026 Notes
$2,012.5 $(10.3)$2,002.2 $1,579.8 
The components of interest expense related to the 2026 Notes and the 2030 Notes were as follows (in millions):
Three Months Ended June 30,Six Months Ended June 30,
2025202420252024
Contractual interest$15.9 $6.3 $22.2 $12.6 
Amortization of debt discounts and debt issuance costs1.4 1.2 2.7 2.5 
Interest expense$17.3 $7.5 $24.9 $15.1